Great St Lawrence Sea Conditions table showing wave height, swell direction and period.
High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at — and sunset is at 04:22 PM.
Days 1–4 Weather SummaryHeavy rain (total 30mm), heaviest during Thu afternoon. Icy conditions (max 8°C on Thu afternoon, min -1°C on Fri night). Winds increasing (light winds from the E on Thu morning, near gales from the WSW by Fri afternoon). | Days 5–7 Weather SummaryA light covering of new snow, mostly falling on Mon morning will be washed away by heavy rain (total 24mm) on Mon afternoon. Icy conditions (max 7°C on Mon afternoon, min 0°C on Sun night). Winds increasing (light winds from the SW on Sun night, gales from the WNW by Mon night). | Days 8–10 Weather SummaryLight rain (total 2mm), mostly falling on Thu afternoon. Freeze-thaw conditions (max 3°C on Thu afternoon, min -6°C on Wed morning). Mainly fresh winds. | Days 11–13 Weather SummaryModerate rain (total 17mm), heaviest on Sat morning. Freeze-thaw conditions (max 6°C on Sat morning, min -2°C on Fri afternoon). Winds increasing (light winds from the E on Fri afternoon, near gales from the SSE by Sat morning). | |||||||||||||||||||||||||||||||||
Wed 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Mon 22 | ||||||||||||||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
High Tide | 12:53PM1.99m | 1:16AM1.76m | 1:46PM1.87m | 2:20AM1.76m | 2:40PM1.76m | 3:24AM1.79m | 3:34PM1.67m | 4:19AM1.83m | 4:25PM1.60m | 5:07AM1.88m | 5:12PM1.55m | 5:50AM1.92m | 5:58PM1.53m | 6:33AM1.95m | 6:45PM1.51m | 7:16AM1.98m | 7:32PM1.52m | 8:02AM1.99m | 8:17PM1.54m | 8:46AM2.01m | 8:57PM1.56m | 9:28AM2.02m | 9:35PM1.59m | 10:07AM2.02m | ||||||||||||
Low Tide | 6:45PM0.66m | 6:55AM0.85m | 7:39PM0.69m | 8:11AM0.92m | 8:30PM0.73m | 9:21AM0.95m | 9:22PM0.75m | 10:25AM0.95m | 10:14PM0.76m | 11:21AM0.93m | 11:04PM0.75m | 12:07PM0.89m | 11:50PM0.73m | 12:46PM0.85m | 00:30AM0.70m | 1:23PM0.80m | 1:06AM0.66m | 1:59PM0.76m | 1:41AM0.63m | 2:35PM0.72m | 2:15AM0.62m | 3:12PM0.70m | 2:49AM0.62m | |||||||||||||
SW 7 | SW 8 | S 10 | S 10 | S 11 | SSW 11 | SW 11 | SW 13 | SW 12 | SW 12 | SW 11 | SW 10 | SW 9 | SSW 9 | ESE 7 | S 9 | SSW 12 | SSW 12 | SW 11 | SSW 10 | SSW 10 | SSW 10 | SSW 9 | SW 6 | SW 8 | SW 8 | SW 8 | SW 8 | S 6 | S 9 | SSE 9 | SSW 9 | SSW 10 | SW 11 | SW 10 | SSW 8 | |
 |  | |  |  |  | |  | | | | | |  |  | |  | | |  |  | | | |  | | | |  |  |  | | | | | | |
cloudy | heavy rain | cloudy | heavy rain | rain shwrs | some clouds | cloudy | some clouds | some clouds | cloudy | some clouds | some clouds | some clouds | light snow | light snow | heavy rain | cloudy | cloudy | some clouds | clear | clear | clear | some clouds | cloudy | light rain | rain shwrs | clear | some clouds | light rain | mod rain | rain shwrs | some clouds | some clouds | cloudy | some clouds | light rain | |
km/h | ||||||||||||||||||||||||||||||||||||
— | 13 | — | 16 | 1 | — | — | — | — | — | — | — | — | 3 | 10 | 11 | — | — | — | — | — | — | — | — | 1 | 1 | — | — | 2 | 7 | 6 | — | — | — | — | 2 | |
max°C | 1 | 6 | 5 | 8 | 7 | 2 | 0 | -1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 7 | 2 | 0 | 0 | -3 | -6 | -4 | 0 | 2 | 3 | 2 | -2 | -2 | 3 | 6 | 3 | 1 | -1 | 0 | 1 | 5 |
Moonrise | — | 11:05 | — | — | — | 12:15 | — | — | 1:23 | — | — | 2:29 | — | — | 3:36 | — | — | 4:44 | — | — | 5:52 | — | — | 6:57 | — | — | 7:58 | — | — | 8:50 | — | — | 9:32 | — | — | 10:05 |
Moonset | — | — | 12:21 | — | — | 12:36 | — | — | 12:51 | — | — | 1:06 | — | — | 1:24 | — | — | 1:46 | — | — | 2:13 | — | — | 2:49 | — | — | — | 3:34 | — | — | 4:29 | — | — | 5:34 | — | — |
 | — | — | 7:46 | — | — | 7:47 | — | — | 7:48 | — | — | 7:48 | — | — | 7:50 | — | — | 7:50 | — | — | 7:50 | — | — | 7:52 | — | — | 7:52 | — | — | 7:52 | — | — | 7:52 | — | — | 7:54 |
 | 4:22 | — | — | 4:22 | — | — | 4:22 | — | — | 4:22 | — | — | 4:22 | — | — | 4:22 | — | — | 4:22 | — | — | 4:22 | — | — | 4:23 | — | — | 4:23 | — | — | 4:23 | — | — | 4:24 | — | — |
Today's sea temperature in Great St Lawrence is 5.1° C (Statistics for 10 Dec 1981-2005 – mean: 4.0 max: 5.7 min: 2.6°C) | ||||||||||||||||||||||||||||||||||||
Nearest